1.

During the decomposition of a gas on the surface of a solid catalyst, A to Products, which is a zero order reaction, the initial pressure of 200 atm of 'A' is reduced to 100 atm in 100 seconds. The rate constant of the reaction is

Answer»

1 atm `s^(-1)`
2 atm `s^(-1)`
4 atm `s^(-1)`
8 atm `s^(-1)`

Solution :`t_(1//2)= 100sec`
For ZERO reaction , `t_(1//2)= [A]_0/(2k)`
`or k =(2t_(1//2))/[A]_0=(2 XX 100s)/(200" atm")= 1atm s^(-1)`


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